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      number数字输入框封装
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        <figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br></pre></td><td class="code"><pre><span class="line">&lt;template&gt;</span><br><span class="line">    &lt;div&gt;</span><br><span class="line">    <span class="comment">// $attrs包含了父作用域中不作为 prop 被识别 (且获取) 的 attribute 绑定</span></span><br><span class="line">        &lt;el-input :type=<span class="string">&quot;type&quot;</span> :rows=<span class="string">&quot;rows&quot;</span> v-bind=<span class="string">&quot;$attrs&quot;</span> @input=<span class="string">&quot;handleChange&quot;</span> /&gt;</span><br><span class="line">        &lt;span&gt;&#123;&#123; label &#125;&#125;&lt;/span&gt;</span><br><span class="line">    &lt;/div&gt;</span><br><span class="line">&lt;/template&gt;</span><br><span class="line"></span><br><span class="line">&lt;script&gt;</span><br><span class="line"><span class="keyword">export</span> <span class="keyword">default</span> &#123;</span><br><span class="line">    props: &#123;</span><br><span class="line">        type: &#123;</span><br><span class="line">            type: <span class="built_in">String</span>,</span><br><span class="line">            <span class="keyword">default</span>: <span class="string">&#x27;text&#x27;</span></span><br><span class="line">        &#125;,</span><br><span class="line">        rows: &#123;</span><br><span class="line">            type: <span class="built_in">String</span>,</span><br><span class="line">            <span class="keyword">default</span>: <span class="string">&#x27;2&#x27;</span></span><br><span class="line">        &#125;,</span><br><span class="line">        label: &#123;</span><br><span class="line">            type: <span class="built_in">String</span>,</span><br><span class="line">            <span class="keyword">default</span>: <span class="string">&#x27;&#x27;</span></span><br><span class="line">        &#125;</span><br><span class="line">    &#125;,</span><br><span class="line">    <span class="function"><span class="title">data</span>(<span class="params"></span>)</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> &#123;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;,</span><br><span class="line">    methods: &#123;</span><br><span class="line">        <span class="function"><span class="title">handleChange</span>(<span class="params">val</span>)</span> &#123;</span><br><span class="line">            <span class="built_in">this</span>.$emit(<span class="string">&#x27;input&#x27;</span>, val)</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line">&lt;/script&gt;</span><br><span class="line"></span><br><span class="line">&lt;style lang=<span class="string">&quot;less&quot;</span> scoped&gt;</span><br><span class="line">.el-textarea &#123;</span><br><span class="line">    width: <span class="number">50</span>%;</span><br><span class="line">&#125;</span><br><span class="line">.el-input &#123;</span><br><span class="line">    width: <span class="number">25</span>%;</span><br><span class="line">&#125;</span><br><span class="line">&lt;/style&gt;</span><br></pre></td></tr></table></figure>


      
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